28305497080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1499}}^1\times {\mathrm{3967}}^1$

素因数の和:5501

約数の個数: 128

約数和(自身を含む): 77137920000

約数和(自身を除く): 48832422920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 1499, 2380, 2998, 3967, 4760, 5996, 7495, 7934, 10493, 11992, 14990, 15868, 19835, 20986, 25483, 27769, 29980, 31736, 39670, 41972, 50966, 52465, 55538, 59960, 67439, 79340, 83944, 101932, 104930, 111076, 127415, 134878, 138845, 158680, 178381, 203864, 209860, 222152, 254830, 269756, 277690, 337195, 356762, 419720, 472073, 509660, 539512, 555380, 674390, 713524, 891905, 944146, 1019320, 1110760, 1348780, 1427048, 1783810, 1888292, 2360365, 2697560, 3567620, 3776584, 4720730, 5946533, 7135240, 9441460, 11893066, 18882920, 23786132, 29732665, 41625731, 47572264, 59465330, 83251462, 101091061, 118930660, 166502924, 202182122, 208128655, 237861320, 333005848, 404364244, 416257310, 505455305, 707637427, 808728488, 832514620, 1010910610, 1415274854, 1665029240, 2021821220, 2830549708, 3538187135, 4043642440, 5661099416, 7076374270, 14152748540, 28305497080]

約数ペア:

[(1, 28305497080), (2, 14152748540), (4, 7076374270), (5, 5661099416), (7, 4043642440), (8, 3538187135), (10, 2830549708), (14, 2021821220), (17, 1665029240), (20, 1415274854), (28, 1010910610), (34, 832514620), (35, 808728488), (40, 707637427), (56, 505455305), (68, 416257310), (70, 404364244), (85, 333005848), (119, 237861320), (136, 208128655), (140, 202182122), (170, 166502924), (238, 118930660), (280, 101091061), (340, 83251462), (476, 59465330), (595, 47572264), (680, 41625731), (952, 29732665), (1190, 23786132), (1499, 18882920), (2380, 11893066), (2998, 9441460), (3967, 7135240), (4760, 5946533), (5996, 4720730), (7495, 3776584), (7934, 3567620), (10493, 2697560), (11992, 2360365), (14990, 1888292), (15868, 1783810), (19835, 1427048), (20986, 1348780), (25483, 1110760), (27769, 1019320), (29980, 944146), (31736, 891905), (39670, 713524), (41972, 674390), (50966, 555380), (52465, 539512), (55538, 509660), (59960, 472073), (67439, 419720), (79340, 356762), (83944, 337195), (101932, 277690), (104930, 269756), (111076, 254830), (127415, 222152), (134878, 209860), (138845, 203864), (158680, 178381)]